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发明名称
DOUBLE LAYER PIPE
摘要
申请公布号
JPH01234682(A)
申请公布日期
1989.09.19
申请号
JP19880062645
申请日期
1988.03.15
申请人
SUMITOMO METAL IND LTD;TAENAKA KOGYO KK;IMAE KOGYO KK
发明人
WADA MINORU;KISHINO SHIZUO;IMAE KENJI
分类号
F16L9/14;(IPC1-7):F16L9/14
主分类号
F16L9/14
代理机构
代理人
主权项
地址
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